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During her recent appearance on The Howard Stern Show, the 31-year-old hitmaker said the song was inspired by a female celebrity who she had been in a secret relationship with. Demi, who uses both she/her and they/them pronouns, told Stern: "I was thinking about the hookups that I had had with a girl and decided to write this song." Demi Lovato / The Howard Stern Show. When the host asked the Heart Attack singer if they would reveal the identity of the mystery woman, they declined and said that they hadn't even told the person who had inspired the song.